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Finding the Fourth Proportional to 150,462.08, 225,840 and 71,630.72

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Solution

The fourth proportional to 150,462.08, 225,840 and 71,630.72 is: 107,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,462.08 : 225,840 = 71,630.72 : x
  2. Step 2: Convert to fraction form
    150,462.08/225,840 = 71,630.72/x
  3. Step 3: Cross multiply
    150,462.08x = 225,840 × 71,630.72
  4. Step 4: Simplify right side
    150,462.08x = 16,177,081,804.80
  5. Step 5: Solve for x
    x = 16,177,081,804.80/150,462.08
  6. Step 6: Final answer
    x = 107,516.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.